#include <my_header.h>
/*Usage: 01_start_w*/
int main(int argc, char *argv[]){

    int pipe_fd = open("1.pipe", O_WRONLY);

    while(1){
        int ret = write(pipe_fd, "hello", 5);
        ERROR_CHECK(ret, -1, "write error");
        sleep(10);
    }

    return 0;

}


